Neonatal infections. An important determinant of late NICU mortality in infants less than 1,000 g at birth.

For a 24-month period (1977 through 1978), the determinants of neonatal intensive care unit (NICU) mortality were examined retrospectively in 133 consecutively admitted newborn infants who weighed less than 1,000 g at birth. Seventy-one (53.4%) died during the first five days of life, 27 (20.